Home / 10,621.14-14,657.04-5,905.32

Finding the Fourth Proportional to 10,621.14, 14,657.04 and 5,905.32

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Solution

The fourth proportional to 10,621.14, 14,657.04 and 5,905.32 is: 8,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.14 : 14,657.04 = 5,905.32 : x
  2. Step 2: Convert to fraction form
    10,621.14/14,657.04 = 5,905.32/x
  3. Step 3: Cross multiply
    10,621.14x = 14,657.04 × 5,905.32
  4. Step 4: Simplify right side
    10,621.14x = 86,554,511.45
  5. Step 5: Solve for x
    x = 86,554,511.45/10,621.14
  6. Step 6: Final answer
    x = 8,149.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.